Home / 37,637.31-51,940.59-21,722.64

Finding the Fourth Proportional to 37,637.31, 51,940.59 and 21,722.64

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Solution

The fourth proportional to 37,637.31, 51,940.59 and 21,722.64 is: 29,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,637.31 : 51,940.59 = 21,722.64 : x
  2. Step 2: Convert to fraction form
    37,637.31/51,940.59 = 21,722.64/x
  3. Step 3: Cross multiply
    37,637.31x = 51,940.59 × 21,722.64
  4. Step 4: Simplify right side
    37,637.31x = 1,128,286,737.96
  5. Step 5: Solve for x
    x = 1,128,286,737.96/37,637.31
  6. Step 6: Final answer
    x = 29,977.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.